What should I do when my computer gets slower? Try the following method:

I. Anti-Virus. Disconnect the network connection and disable System Restoration. In safe mode, use the latest anti-virus software version for anti-virus. At the same time, it is best to change the anti-virus software and try again. Ii. Clear disks and clear disk fragments. 1. In the my computer window, right-click the drive letter to be cleaned-"properties"-"clear disk"-select the file to be deleted-OK-Yes. 2. Clear the temporary file and start-run-input % Temp % -- OK. 3. Clear the registry and junk files with Master optimization or Super Rabbit. 4. close some startup programs and start-run-msconfig-start. General programs except anti-virus software and input methods can be turned off. 5. Delete unnecessary program software. 6. Sort disk Fragments -- start -- all programs -- accessories -- System Tools -- Disk fragment program -- select c -- Analysis -- fragment. 3. Optimize the computation 1. disable idle ide channels, right-click "my computer-properties", click "hardware", and then click "Device Manager ", open the "Ide ATA/PATA controller" and enter the Primary and Secondary ide channels respectively. Select "Advanced Settings". Here, find the item "Current transfer mode" is "not applicable, set "device type" to "NONE" for this item ". 2. Right-click "my computer"> "properties"> "advanced" to optimize visual effects. In the "performance" column, click "set"> "visual effects ", adjust to optimal performance, or retain only some necessary items. 3. Enable and recover the fault. In "my computer" -- "properties" -- "advanced" -- "Start and fault Repair", click "set ", remove the "Write events to system logs", "Send management alarms", and "auto restart" options. Set "Write debugging information" to "NONE". Click "edit ", in the pop-up Notepad file: [operating systems] timeout = 30 // change the default time to 30 seconds to 0 seconds. 4. Disable "my computer" -- "property" -- "advanced" -- click "Error Report" and click "Disable Error Report ", select "but inform me when a severe error occurs" -- OK. 5. Set system restoration. Click Start> All Programs> accessories> System Tools> System Restoration. On the System Restoration page, remove the marker "Disable System Engineering restore on All Drives" and select the partition where the system disk is located in the "available drives" area, click "Settings" to go to the "System Restore Settings" window, set "disk space to 5% or smaller" OK ", and disable other partitions as described above. 6. Disable auto update. To disable auto update, right-click my computer and choose "properties"> "Auto Update ", in the "Notification Settings" column, select "Disable auto update. Select "I will update the computer manually. 7. Close the Remote Desktop, right-click "my computer"> "properties"> "remote", and remove the "allow users to remotely connect to this computer" check box in "Remote Desktop. 8. Click "start"> "Control Panel"> "Power Management"> "Sleep" to disable sleep. 9. Disable the "Internet time synchronization" function, click "start"> "Control Panel"> "date, time, language, and Region options", and then click "Internet time ", cancel the check box before "automatically synchronize with Internet time service. 10. Close the disk index. Open my computer, right-click the drive, select "properties", and cancel the check box before "use index to quickly find files. 11. disable unnecessary service components, right-click "my computer"> "manage"> "services and applications"> "services ", in the right pane, set unnecessary services to disabled or manual. 12. Shut down Dr Watson. watson click Start> Run and enter the drwtsn32 command to open Dr Watson. in the Watson window, only the "dump all thread context" option is retained and the front side of the option is canceled. 13. Set the virtual memory minimum physical memory 1.5-2 times, the maximum value is 2-3 times of physical memory. The virtual memory setting method is as follows: right-click my computer-properties-advanced-Performance Settings-advanced-Virtual Memory change-select the system drive letter in the drive list-Custom Size-in the "initial size" and "maximum value" set the value, click "set" and then click "OK" to exit. 14. Modify the Registry (1) to speed up startup and shutdown, go to [start] --> [run] --> type [Regedit] --> [HKEY_CURRENT_USER] --> [Control Panel] --> [desktop], change the value of the string value [hungapptimeout] to [200] and the value of the string value [waittokillapptimeout] to 1000. in addition, in [HKEY_LOCAL_MACHINE] --> [system] --> [CurrentControlSet] --> [control], change the value of the string value [hungapptimeout] to [200]. change the value of [waittokillservicetimeout] to 1000. (2) Speed up pre-read capability to improve boot speed at [start] --> [run] --> type [Regedit] --> [HKEY_LOCAL_MACHINE] --> [system] --> [CurrentControlSet] --> [control] --> [sessionmanager] --> [memorymanagement], in the right window of [prefetchparameters], change the value of [enableprefetcher] as follows, if you use a piII 800 MHz CPU or above, we recommend that you change the numeric data to 4 or 5. (3) Accelerate broadband access home version: Open the Registry Editor, find HKEY_LOCAL_MACHINE \ SOFTWARE \ Policies \ Microsoft \ Windows, and add an item named psched, in the right window of psched, add a DWORD Value nonbesteffortlimit value to 0. (4) Speed up the broadband network. Open the Registry Editor, find HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Services \ Tcpip \ Parameters, and right-click parameters. In the blank area on the right, select "new"-> DWORD Value edge on the left and name it "defaultttl". Right-click and select "modify". The value is changed to 80 (hexadecimal ), or 128 (decimal ). Click TCPIP in the left pane to change the value of globalmaxtcpwindowsize to 7fff. (5) Open the Registry Editor and find HKEY_LOCAL_MACHINE/sofew are/Microsoft/Windows/current version/release E/remotecomputer/namespace. Delete {2227a280-3aea-1069-a2de08002b30309d} (printer) and {D6277990-4C6A-11CF8D87-00aa0060f5bf} (scheduled task ).